disableVBS.ps1

# Disables Virtualization Based Security (VBS), Credential Guard and HVCI.
# VBS enhances system security, but is known to cause some performance issues on older systems.

# Privilege Escalation
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Start-Process PowerShell -Verb RunAs "-NoProfile -ExecutionPolicy Bypass -Command `"cd '$pwd'; & '$PSCommandPath';`"";
    exit;
}

Set-Itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard" -Name "EnableVirtualizationBasedSecurity" -Value 0
Set-Itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity" -Name "Enabled" -Value 0
Set-Itemproperty -path "HKLM:\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\CredentialGuard" -Name "Enabled" -Value 0

pause